88655570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 173560320

約数和(自身を除く): 84904750

約数列:

[1, 2, 5, 10, 23, 46, 61, 71, 89, 115, 122, 142, 178, 230, 305, 355, 445, 610, 710, 890, 1403, 1633, 2047, 2806, 3266, 4094, 4331, 5429, 6319, 7015, 8165, 8662, 10235, 10858, 12638, 14030, 16330, 20470, 21655, 27145, 31595, 43310, 54290, 63190, 99613, 124867, 145337, 199226, 249734, 290674, 385459, 498065, 624335, 726685, 770918, 996130, 1248670, 1453370, 1927295, 3854590, 8865557, 17731114, 44327785, 88655570]

約数ペア:

[(1, 88655570), (2, 44327785), (5, 17731114), (10, 8865557), (23, 3854590), (46, 1927295), (61, 1453370), (71, 1248670), (89, 996130), (115, 770918), (122, 726685), (142, 624335), (178, 498065), (230, 385459), (305, 290674), (355, 249734), (445, 199226), (610, 145337), (710, 124867), (890, 99613), (1403, 63190), (1633, 54290), (2047, 43310), (2806, 31595), (3266, 27145), (4094, 21655), (4331, 20470), (5429, 16330), (6319, 14030), (7015, 12638), (8165, 10858), (8662, 10235)]